Pressure balance type floating body and installation method thereof

Abstract

The present invention relates to the technical field of ships, and particularly relates to a pressure balance type floating body and an installation method thereof. The floating body includes water cabins, gas cabins, gas cabin inflation valves, underwater even pressure control systems, water cabin water supply systems and water cabin ventilating systems. The buoyant center of the floating body and the gravity center of the floating body are located on the same vertical line, and the position of the buoyant center of the floating body is higher than the position of the gravity center of the floating body. The gas cabin inflation valve is arranged on each gas cabin, and the gas cabin inflation valve is connected with each underwater even pressure control system. The water cabin water supply system and the water cabin ventilating system are arranged on each water cabin.

1 . A pressure balance type floating body, comprising water cabins, gas cabins, underwater even pressure control systems for controlling the gas pressure in the body of the floating body, gas cabin inflation valves, water cabin water supply systems and water cabin ventilating systems, wherein the water cabins and the gas cabins are not communicated;
 the buoyant center of the floating body and the gravity center of the floating body are located on the same vertical line, and the position of the buoyant center of the floating body is higher than the position of the gravity center of the floating body;   the water cabins and the gas cabins are arranged at the left and right sides of the floating body, and the buoyant force provided by the water cabins and the gas cabins at the left side of the floating body is equal to the buoyant force provided by the water cabins and the gas cabins at the right side of the floating body; the water cabins and the gas cabins are arranged at the front and back sides of the floating body, the buoyant force provided by the water cabins and the gas cabins at the front side of the floating body is larger than the buoyant force provided by the water cabins and the gas cabins at the back side of the floating body, or the buoyant force provided by the water cabins and the gas cabins at the back side of the floating body is larger than the buoyant force provided by the water cabins and the gas cabins at the front side of the floating body;   the water cabin water supply system and the water cabin ventilating system are arranged on each water cabin;   one gas cabin inflation valve is arranged on each gas cabin;   the underwater even pressure control systems are connected with the gas cabins.   
     
     
         2 . The pressure balance type floating body of  claim 1 , wherein the buoyant force provided by the water cabins and the gas cabins at the front side of the floating body is larger than the buoyant force provided by the water cabins and the gas cabins at the back side of the floating body, or the buoyant force provided by the water cabins and the gas cabins at the back side of the floating body is larger than the buoyant force provided by the water cabins and the gas cabins at the front side of the floating body, comprising:
 the number of the water cabins and the gas cabins at the front side of the floating body is larger than the number of the water cabins and the gas cabins at the back side of the floating body, or the number of the water cabins and the gas cabins at the back side of the floating body is larger than the number of the water cabins and the gas cabins at the front side of the floating body.   
     
     
         3 . The pressure balance type floating body of  claim 2 , wherein the number of the underwater even pressure control systems is the same as the number of the gas cabin inflation valves, and one gas cabin inflation valve is connected with one underwater even pressure control system. 
     
     
         4 . The pressure balance type floating body of  claim 3 , wherein each underwater even pressure control system comprises a drive circuit, inflation equipment, a solenoid valve for controlling the opening and closing of the inflation equipment, a gas pressure sensor, a water pressure sensor and a second controller used for sending an inflation control instruction to the inflation equipment according to data collected by the gas pressure sensor and the water pressure sensor;
 the second controller is connected with the solenoid valve through the drive circuit;   the solenoid valve is connected with the inflation equipment;   the gas pressure sensor and the water pressure sensor are respectively connected with the second controller;   the inflation equipment is connected with the gas cabin inflation valves.   
     
     
         5 . The pressure balance type floating body of  claim 4 , wherein the second controller comprises:
 a data receiving module used for receiving the data collected by the gas pressure sensor and the water pressure sensor;   a processing module used for sending a control instruction for controlling the opening and closing of the inflation equipment to the solenoid valve according to the data collected by the data receiving module.   
     
     
         6 . The pressure balance type floating body of  claim 5 , wherein the processing module comprises a judging unit used for judging whether the pressure in the gas cabins is consistent with the external water pressure according to the data collected by the data receiving module;
 an executing unit used for generating a control instruction indicating that a gas flow needs to be inflated to the gas cabins and sending the control instruction to the solenoid valve through the drive circuit to control the solenoid valve to be opened, when the judging unit judges that the pressure in the gas cabins is not consistent with the external water pressure; sending an instruction of controlling the solenoid valve to be closed to the solenoid valve through the drive circuit, when the judging unit judges that the pressure in the gas cabins is consistent with the external water pressure.   
     
     
         7 . The pressure balance type floating body of  claim 6 , further comprising a posture monitoring system and a controller, wherein the posture monitoring system, the ventilating systems and the water supply systems are respectively connected with the controller;
 the posture monitoring system is used for monitoring the position of the floating body and monitoring that the floating body is at a balanced state or an inclined state, and when the floating body is at the inclined state, the controller controls the ventilating systems to inflate the water cabins at the downward inclined end of the floating body until the floating body is not inclined any more.   
     
     
         8 . The pressure balance type floating body of  claim 7 , wherein the posture monitoring system is composed of four position sensors;
 the four position sensors are respectively installed on the four corners on the surrounding of the floating body; the four position sensors are respectively connected with the controller.   
     
     
         9 . The pressure balance type floating body of  claim 8 , wherein the water cabin ventilating systems are arranged at the top ends of the water cabins;
 the water cabin water supply systems are arranged at the bottom ends of the water cabins.   
     
     
         10 . An installation method of the pressure balance type floating body of  claim 9 , comprising:
 filling the water cabins with water, starting each underwater even pressure control system to submerge the main body of the floating body until the main body of the floating body is completely submerged in the water;   hauling the body of the floating body downwards by using an underwater hauling system, and controlling the gas pressure in each gas cabin to be consistent with the external water pressure through the underwater even pressure control system;   after the body of the floating body arrives at a working water area, inflating each water cabin to discharge water in the water cabin so as to enable the water cabin to provide an upward positive buoyant force.   
     
     
         11 . The installation method of the pressure balance type floating body of  claim 10 , wherein the hauling the body of the floating body downwards, and controlling the gas pressure in each gas cabin to be consistent with the external water pressure through the underwater even pressure control system, comprises:
 detecting the gas pressure in the gas cabin through the gas pressure sensor, detecting the external water pressure through the water pressure sensor, and transmitting the detection results of gas pressure and water pressure to the second controller;   the second controller uses the pressure difference between the gas pressure and the water pressure as a control input parameter, judges whether the pressure in the gas cabin is consistent with the external water pressure, if being not consistent, the second controller generates a control instruction of determining the gas flow, transmits the control instruction to the drive circuit to be amplified and converted into a control signal and transmits the control signal to the solenoid valve, the solenoid valve is opened, and the inflation equipment inflates the gas cabin; if being consistent, the second controller stops sending the control instruction of determining the gas flow, the solenoid valve is closed, and the inflation equipment stops inflating the gas cabin.   
     
     
         12 . The installation method of the pressure balance type floating body of  claim 11 , wherein the after the body of the floating body arrives at a working water area, inflating each water cabin to discharge water in the water cabin so as to enable the water cabin to provide an upward positive buoyant force, comprises:
 determining the necessary total displacement of the water cabins;   determining the total inflation amount of the water cabins according to the necessary total displacement of the water cabins, averagely distributing the total inflation amount to all the water cabins, and determining the inflation amount of each water cabin;   respectively inflating gas with corresponding inflation amounts in the water cabins through the water cabin ventilating systems;   closing the ventilating system on each water cabin after each water cabin is inflated, so as to enable each water cabin to provide the upward positive buoyant force.   
     
     
         13 . The installation method of the pressure balance type floating body of  claim 12 , further comprising:
 after inflation, monitoring the position of the floating body via the four position sensors distributed on the four corners of the floating body, monitoring that the floating body is at a balanced state or an inclined state, and when the floating body is at the inclined state, controlling the ventilating systems through the controller to inflate the water cabins at the downward inclined end of the floating body until the floating body is not inclined any more.